534 MONOCOTYLEDONEJE. ANDROPOGON. 
ut spiculæ horizontaliter pateant vel nutent, omnesque ad unum 
idemque rhacheos latus vergant. Ramuli ceterum omnes unispiculati, 
cum spicula oblique articulati, post delapsam spiculam cicatricem 
ovalem exhibentes, infra articulationem longe plumoso-ciliati. Spicu- 
læ lineari-lanceolatæ v. lineari-oblongæ, 7T mm. longæ, demum fuscæ : 
gluma I” coriacea, parum acutata, apice latiuscule truncata, dorso 
plano basi et supra medium longiuscule pilosa, pilis albis v. fulvescen- 
tibus, 9-nervis, callo dense barbato; II“ I™ subsuperans, lineari- 
oblonga, acumine depresso-triangulari, superne obsolete carinata, 5- 
nervis, parce pilosa; HP quam I^ '/, brevior, late oblonga, obtusa, 
2-nervis, ciliata; IV* III*" equans, lineari-oblonga, ciliata, 3-nervis, in 
1}, superiore acute bifida, e sinu aristam emittens validiusculam, 
columná fuscá, subulä sensim pallidiore rectä v. basi subflexuosä. 
Pedicelli steriles ?/, spieule eques, dense plumoso-ciliati, ciliis 
ipsis 2—3-plo brevioribus. 
Florida (Chapman, Garber, Curtiss N. Am. Pl. 3644). 
110. A. Balansze ; paniculæ æqualis ramis primariis et secunda- 
riis racemoso-ramulosis apice rectis; glumæ I" dorso densiuscule 
albo-hirsutæ callo recto acutiusculo 1 mm. longo; aristæ 40—50 mm. 
longæ columna secus spiras longe patentimque ciliata medio genicu- 
lata subulam æquante. — Sorghum Balansæ Hack. in Mart. et Eichl. 
El. brasil. vol. 2, pars 3, p. 277. 
Innovationes (omnes ?) intravaginales. Culmi robusti, eire. 120 em. 
alti. Folia glabra, glauco-pruinosa : vaginze leves, vetust® firmze, non 
fibrose; ligula elongata (5—6 mm. longa), non auriculata. Laminze 
inferiores 20—35 em. longze, culmeze 4—5 mm., innovationum 2—3 
mm. late, planz, marginibus scabr&, ceterum læviusculæ, costa 
media crassiuscula plurinervi. Panieula 20—24 cm. longa, lineari- 
oblonga, densa, conferta, exserta; rhachis glaberrima, rami bini, 
inferiores squamula minuta ciliata fulti, ramosissimi, ramis ramulisque 
dense faseieulatim confertis rhachi appressis filiformibus lzvissimis, 
 unispieulatis, cum spicula obliquissime articulatis, post spieulam 
delapsam cicatricem lineari-oblongam exhibentitus, infra hane gla- 
bris. Spieule lanceolatz?e, 6 mm. longs, compressiuscule, pallide 
 flavo-virescentes : gluma I»: subcoriacea, latiuscule truncata, margi- 
nibus involuta, dorso toto densiuscule albo-hirsuta, callo sericeo-bar- 
bato, 9-nervis, nervis 2 'percurrentibus; II“ I^» paullisper superans, 
eæ similis sed 5-nervis, preter apicem obtusum setuloso-eiliatum 
glaberrima; II primá '/, brevior, oblonga, obtusa, enervis, apice 
